X 2y 0 x 3y 5 July 8, 2019 16 32 64 128 X 2 2y 2 x 3y 5 0 X 2y z 0 3x yz 5 x 3y 2z =- 15 X y 3z 5 4x 2y z 0 x 3y z 5 Evaluate x 2y 0 x 3y 2 when x 2 and y 5 X+y 2 5+z xy
